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//
// Wildland Project
//
// Copyright © 2023 Golem Foundation
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 3 as published by
// the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

#[derive(Debug, Clone, PartialEq, Eq)]
#[repr(C)]
pub enum FileSystemOperation {
    GetInfo,
}

#[derive(Debug, Clone, PartialEq, Eq)]
#[repr(C)]
pub enum DfsCause {
    UnsupportedBackendType,
    UnresponsiveBackend,
    AllBackendsUnresponsive,
    BackendDoesNotSupportOperation,
    InsufficientQuota,
    PermissionError,
}

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Event {
    pub cause: DfsCause,
    pub operation: Option<FileSystemOperation>,
    pub operation_path: Option<String>,
    pub backend_type: Option<String>,
}

impl Event {
    pub fn get_cause(&self) -> DfsCause {
        self.cause.clone()
    }

    pub fn get_operation(&self) -> Option<FileSystemOperation> {
        self.operation.clone()
    }

    pub fn get_operation_path(&self) -> Option<String> {
        self.operation_path.clone()
    }

    pub fn get_backend_type(&self) -> Option<String> {
        self.backend_type.clone()
    }
}

pub trait EventReceiver {
    fn recv(&mut self) -> Option<Event>;
}